these 4 derivations will be built:
  /nix/store/ppi3x84d9yppbdxkzkns2y8kp3lfj3vl-bb-app-src-with-lock.drv
  /nix/store/gk1pswr8p6bnnsh66nmw0ra5lp16ln5m-bb-app-0.46.1-npm-deps.drv
  /nix/store/3k9v99rl7pw4fks9rkc50611s1b4c6yk-bb-app-0.46.1.drv
  /nix/store/9p8d617vf7l44kfxsvgq2l3633jn2d9y-check-bb-app.drv
these 3 paths will be fetched (0.0 KiB download, 10.6 KiB unpacked):
  /nix/store/7qxa61a48i5rrmhahynnwk93x589ihgs-nodejs-install-executables
  /nix/store/4yf1wnaga8vib70hjparzizflk91prsa-npm-config-hook
  /nix/store/5bhl6kx774435hqrvbk29245m1avcq54-npm-install-hook
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy